package com.proxy;

public class CalculateImpl implements Calculate {
	public int add(int a, int b) {
		//System.out.println("加法操作之前");
		int c = a + b;
		//System.out.println("加法操作之后");
		return c;
	}

	public int subtract(int a, int b) {
		return 0;
	}

	public int multiply(int a, int b) {
		return 0;
	}

	public int divide(int a, int b) {
		return 0;
	}
}
